52 lines
1.6 KiB
Python
52 lines
1.6 KiB
Python
import uuid
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from django.db import models
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class CropArea(models.Model):
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uuid = models.UUIDField(default=uuid.uuid4, unique=True, editable=False, db_index=True)
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geometry = models.JSONField(default=dict)
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points = models.JSONField(default=list)
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center = models.JSONField(default=dict)
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area_sqm = models.FloatField()
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area_hectares = models.FloatField()
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chunk_area_sqm = models.FloatField()
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zone_count = models.PositiveIntegerField(default=0)
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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class Meta:
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db_table = "crop_areas"
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ordering = ["-created_at", "-id"]
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def __str__(self):
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return f"Area {self.uuid}"
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class CropZone(models.Model):
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uuid = models.UUIDField(default=uuid.uuid4, unique=True, editable=False, db_index=True)
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crop_area = models.ForeignKey(
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CropArea,
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on_delete=models.CASCADE,
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related_name="zones",
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)
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zone_id = models.CharField(max_length=64)
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geometry = models.JSONField(default=dict)
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points = models.JSONField(default=list)
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center = models.JSONField(default=dict)
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area_sqm = models.FloatField()
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area_hectares = models.FloatField()
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sequence = models.PositiveIntegerField()
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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class Meta:
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db_table = "crop_zones"
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ordering = ["sequence", "id"]
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constraints = [
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models.UniqueConstraint(fields=["crop_area", "zone_id"], name="unique_crop_area_zone_id"),
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]
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def __str__(self):
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return self.zone_id
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